How can I disable vectorization while using GCC? -

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i compiling code using following command:

gcc -o3 -ftree-vectorizer-verbose=6 -msse4.1 -ffast-math

with optimizations enabled.

but want disable vectorization while keeping other optimizations.

most of gcc switches can used no prefix disable behavior. try -fno-tree-vectorize (after -o3 on command line).


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